Home / 9,150.22-13,719.12-2,908.36

Finding the Fourth Proportional to 9,150.22, 13,719.12 and 2,908.36

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Solution

The fourth proportional to 9,150.22, 13,719.12 and 2,908.36 is: 4,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.22 : 13,719.12 = 2,908.36 : x
  2. Step 2: Convert to fraction form
    9,150.22/13,719.12 = 2,908.36/x
  3. Step 3: Cross multiply
    9,150.22x = 13,719.12 × 2,908.36
  4. Step 4: Simplify right side
    9,150.22x = 39,900,139.84
  5. Step 5: Solve for x
    x = 39,900,139.84/9,150.22
  6. Step 6: Final answer
    x = 4,360.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.